411421111 has 4 divisors (see below), whose sum is σ = 411929224. Its totient is φ = 410913000.

The previous prime is 411421103. The next prime is 411421121. The reversal of 411421111 is 111124114.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 411421111 - 2³ = 411421103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411421121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252840 + ... + 254461.

It is an arithmetic number, because the mean of its divisors is an integer number (102982306).

Almost surely, 2^411421111 is an apocalyptic number.

411421111 is a deficient number, since it is larger than the sum of its proper divisors (508113).

411421111 is an equidigital number, since it uses as much as digits as its factorization.

411421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508112.

The product of its digits is 32, while the sum is 16.

The square root of 411421111 is about 20283.5182106064. The cubic root of 411421111 is about 743.7532175460.

Adding to 411421111 its reverse (111124114), we get a palindrome (522545225).

The spelling of 411421111 in words is "four hundred eleven million, four hundred twenty-one thousand, one hundred eleven".